Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Transforming Growth Factor β1 +869T/C Gene Polymorphism and Essential Hypertension: A Meta-analysis Involving 2708 Participants in the Chinese Population
LI yan-yan
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2011 Volume 50 Issue 10 Pages 1089-1092


Background The transforming growth factor β1 (TGFB1) +869T/C gene polymorphism has been suggested to be linked to susceptibility to essential hypertension (EH).
Objective and Methods To investigate the relationship between TGFB1 +869T/C gene polymorphism and EH, 5 separate studies with 2,708 subjects in the Chinese population on the relation between TGFB1 +869T/C gene polymorphism and EH were analyzed by meta-analysis. The random effect model was selected to calculate the pooled odds ratio (ORs) and its corresponding 95% confidence interval (95%).
Results There was a significant association between TGFB1 +869T/C gene polymorphism and EH. The pooled OR for CC/TC+TT genotype was 2.50 (95% CI: 1.46-4.28, P heterogeneity <0.0001, p=0.0008). The pooled OR for the frequency of C allele was 1.43 (95% CI:1.18-1.73, P heterogeneity =0.02, p=0.0002).
Conclusion The current meta-analysis suggested that C allele and CC genotype of TGFB1 +869T/C gene polymorphism might be related to the increased risk of EH in the Chinese population.

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© 2011 by The Japanese Society of Internal Medicine
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